A009690 - OEIS

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A009690

Expansion of tan(tan(sin(x))).

1, 3, 33, 739, 26913, 1416995, 101493889, 9507242819, 1129063338945, 165774337045955, 29468302949572705, 6227421783562843427, 1539946012373786340321, 439696998663601508079587 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	MATHEMATICA	`Tan[ Tan[ Sin[ x ] ] ] (* Odd Part *)`
	CROSSREFS	`Sequence in context: A009659 A144756 A003715 * A174488 A124432 A126466` `Adjacent sequences: A009687 A009688 A009689 * A009691 A009692 A009693`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin (rhhardin(AT)att.net)`
	EXTENSIONS	`Extended and signs tested Mar 15 1997 by Olivier Gerard.`

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Last modified February 16 11:25 EST 2012. Contains 205907 sequences.